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Allowance for Loan Losses Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning Balance	$ 4,541	$ 6,819	$ 4,806	$ 7,034
Added	73	632	358	988
Charged Off	(35)	(7)	(97)	(99)
Payments	(452)	(2,597)	(940)	(3,076)
Ending Balance	4,127	4,847	4,127	4,847
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning Balance	127	2,577	145	2,709
Added	0	0	0	0
Charged Off	0	0	0	0
Payments	(110)	(2,374)	(128)	(2,506)
Ending Balance	17	203	17	203
Residential Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning Balance	3,797	3,607	4,043	3,611
Added	0	538	122	751
Charged Off	0	0	(16)	(16)
Payments	(300)	(165)	(652)	(366)
Ending Balance	3,497	3,980	3,497	3,980
Consumer Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Beginning Balance	617	635	618	714
Added	73	94	236	237
Charged Off	(35)	(7)	(81)	(83)
Payments	(42)	(58)	(160)	(204)
Ending Balance	$ 613	$ 664	$ 613	$ 664

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Financing Receivable, Impaired, Troubled Debt Restructuring, Additions During Period

+ References

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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